Function calculateTrafficDelta

calculateTrafficDelta(
    current: number,
    previous: number,
    engine?: "google" | "bing",
): TrafficDeltaResult
Calculate the delta and percentage change between two traffic metrics.
Parameters
- current: number
  The current metric value.
- previous: number
  The baseline metric value.
- Optionalengine: "google" | "bing"
Returns TrafficDeltaResult
A detailed delta result including status.
- Defined in common/tools/seo-primitives.ts:96